MICHAEL B. GROSSO M.D.
NPI 1184634503
Pediatrics - Adolescent Medicine in Huntington, NY

Active since August 08, 2006PECOS Enrolled
241 E MAIN ST, HUNTINGTON, NY 11743(631) 367-5300(631) 351-4561 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael B. Grosso M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL B. GROSSO M.D. (NPI 1184634503) is an individual adolescent medicine provider in Huntington, New York, licensed in New York (151788-1) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184634503
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameMICHAEL B. GROSSOCredential: M.D.
Location Address241 E MAIN STHuntington, NY 11743-2924
Mailing Address241 E Main StHuntington, NY 11743-2924 · (631) 367-5300 · Fax (631) 351-4561
Fax(631) 351-4561
Sole ProprietorNo
Enumeration DateAugust 8, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1184634503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in NY · 151788-1
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
241 E MAIN ST, Huntington, NY 11743

Other Identifiers 3

Medicare UPINC09002NY
Medicare ID-Type Unspecified35D211NY
Medicaid00966312NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael B. Grosso M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Michael Grosso reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obesity Medicine
224 WALL ST
Huntington, NY 11743
  • Reassigned Medicare billing, New York enrollment
  • 116 clinicians in this Medicare group
Health Service
284 PULASKI RD
Greenlawn, NY 11740
  • Reassigned Medicare billing, New York enrollment
  • 67 clinicians in this Medicare group
Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
241 E MAIN ST
HUNTINGTON, NY 11743
Nurse Practitioner (Family)
241 E MAIN ST
HUNTINGTON, NY 11743
Nurse Practitioner (Family)
241 E MAIN ST
HUNTINGTON, NY 11743
Pediatrics (Adolescent Medicine)
241 E MAIN ST
HUNTINGTON, NY 11743
Pediatrics (Adolescent Medicine)
241 E MAIN ST
HUNTINGTON, NY 11743
Pharmacist
241 E MAIN ST
HUNTINGTON, NY 11743
Dietitian, Registered
241 E MAIN ST
HUNTINGTON, NY 11743
Internal Medicine
241 E MAIN ST
HUNTINGTON, NY 11743

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Grosso's NPI number?

The NPI number for Michael Grosso is 1184634503. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is Michael Grosso located?

Michael Grosso practices at 241 E Main St, Huntington, NY 11743. The listed phone number is (631) 367-5300.

What is Michael Grosso's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Michael Grosso enrolled in Medicare?

Yes. Michael Grosso is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Grosso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Grosso reassigns Medicare benefits to 3 organizations: Huntington Hospital Association (Huntington, NY), Huntington Hospital Dolan Family Health Center (Greenlawn, NY) and North Shore-Lij Medical PC (Great Neck, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Grosso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Grosso was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.